Kjeldsen BJ, Thorsen H, Whalley D, Kronborg O. Influence of follow-up on health-related quality of life after radical surgery for colorectal cancer. Scand J Gastroenterol. 1999 May;34(5):509-15.
Clarkson TB, Anthony MS, Klein KP. Phytoestrogens: can hormone replacement be something you eat? Women's health digest. 1996;1(4):253-5.